What is the air quality in Nashua today?

The current Air Quality Index (AQI) in Nashua is 54 (Moderate). PM2.5 concentration is 13.7 µg/m³.

What is the temperature in Nashua right now?

The current temperature in Nashua is 20.4°C (feels like 20.4°C). Humidity is 71.6% and wind speed is 56.9 km/h.

Air Quality in Nashua, United States

Windy

20.4°C · 71.6% humidity

20.4°

Feels 20.4°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Model forecast

Nearby Monitoring Stations

AQI Forecast

34 10am

54 1pm

41 4pm

37 7pm

28 10pm

24 1am

24 4am

24 7am

Air Quality Index Trend

48h · 1 stn

View full history →

Nashua's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

71.6%

Humidity

56.9 km/h

Wind NE

1014.9 hPa

Pressure

19.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

13.7 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for Nashua?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.513.7 µg/m³ ✓ WHO

Moderate

PM1027.45 µg/m³

Good

UV INDEX19.9

Extreme

Both models agree Avg diff: 3.6°C

Where are air quality stations near Nashua?

Londonderry - Moose Hill, New Hampshire, USA

12.9 km PM2.5: 6.0 µg/m³

Londonderry - Moose Hill, New Hampshire, USA

12.9 km PM2.5: 7.0 µg/m³

Park/Lawrence

25.2 km PM2.5: 8.8 µg/m³

What cities are near Nashua?

54 Merrimack 35 Dracut 35 Derry 35 Derry Village 35 Lowell 35 Chelmsford 39 Westford 35 Methuen 35 Tewksbury 35 North Andover

Get AQI alerts for Nashua

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:13 UTC.